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Finding the Fourth Proportional to 110,807.86, 166,304.78 and 57,532.54

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Solution

The fourth proportional to 110,807.86, 166,304.78 and 57,532.54 is: 86,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.86 : 166,304.78 = 57,532.54 : x
  2. Step 2: Convert to fraction form
    110,807.86/166,304.78 = 57,532.54/x
  3. Step 3: Cross multiply
    110,807.86x = 166,304.78 × 57,532.54
  4. Step 4: Simplify right side
    110,807.86x = 9,567,935,704.12
  5. Step 5: Solve for x
    x = 9,567,935,704.12/110,807.86
  6. Step 6: Final answer
    x = 86,347.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.